        /* 清楚默认样式 */
        * {
            margin: 0;
            padding: 0;
        }
        ul,ol {
            list-style: none;
        }
        .lunbo {
            position: relative;
            width: 880px;
            height: 550px;
            border: 1px solid #333;
            margin: 20px auto;
        }
        .lunbo .pic li {
            position: absolute;
            left: 0;
            top: 0;
            width: 880px;
            height: 550px;
            display: none;
        }
        .lunbo .pic .current {
            display: block;
        }
        /* 按钮部分 */
        .lunbo .btn a {
            position: absolute;
            top: 50%;
            width: 40px;
            height: 40px;
            margin-top: -20px;
            background-color:rgba(255,255,255,0.3);
            font: 20px/40px "宋体";
            text-align: center;
            color: #fff;
            text-decoration: none;
            font-weight: bold;
        }
        .lunbo .btn .leftbtn {
            left: 20px;
        }
        .lunbo .btn .rightbtn {
            right: 20px;
        }
        .lunbo .btn a:hover {
            background-color:rgba(255,255,255,0.6);
        }
        /* 下标 */
        .lunbo .sub {
            position: absolute;
            left: 100px;
            bottom: 50px;
            width: 240px;
        }
        .lunbo .sub li {
            float: left;
            width: 20px;
            height: 20px;
            margin-right: 20px;
            background-color: rgba(255,255,255,0.4);
            font: 12px/20px "微软雅黑";
            text-align: center;
            color: #666;
            cursor: pointer;
        }
        .lunbo .sub .current {
            background-color: #fff;
        }